CN220472717U - Built-in double-layer gas ultrasonic flowmeter rectifier - Google Patents
Built-in double-layer gas ultrasonic flowmeter rectifier Download PDFInfo
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- CN220472717U CN220472717U CN202322223776.7U CN202322223776U CN220472717U CN 220472717 U CN220472717 U CN 220472717U CN 202322223776 U CN202322223776 U CN 202322223776U CN 220472717 U CN220472717 U CN 220472717U
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- ultrasonic flowmeter
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- 230000007704 transition Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000012530 fluid Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 238000001514 detection method Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 14
- 238000005260 corrosion Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
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Abstract
The utility model relates to a built-in double-layer gas ultrasonic flowmeter rectifier, which comprises a guide cylinder, a first rectifying plate and a second rectifying plate, wherein the first rectifying plate and the second rectifying plate are assembled on the inner sides of two ends of the guide cylinder; a first circular groove and a second circular groove are formed in the guide cylinder; the first rectifying plate is arranged in the first circular groove through interference fit; the second rectifying plate is arranged in the second circular groove through interference fit; according to the built-in double-layer gas ultrasonic flowmeter rectifier, after fluid in an ultrasonic flowmeter pipeline is rectified by the rectifier, pulsating flow energy existing in the fluid passing through the bent pipe is completely dispersed, so that the fluid is transited from a turbulent flow state to a laminar flow state, and the influence of pulsating flow is eliminated; thereby effectively improving the detection effect of the ultrasonic flowmeter on the fluid; the design makes production assembly more convenient, reduces production loss reporting rate, improves process flexibility and improves production efficiency.
Description
Technical Field
The utility model belongs to the technical field of gas flow control, and particularly relates to a built-in double-layer gas ultrasonic flowmeter rectifier.
Background
Along with the rapid development of ultrasonic flowmeter technology, ultrasonic flowmeters have been widely used for measuring natural gas, petroleum gas, gas and other gases. Under the working condition of the ultrasonic flowmeter, the flow state of the gas entering the flowmeter needs to be ensured to be symmetrical and fully developed turbulence velocity distribution, but in the actual use process, fluid can be disturbed in a pipeline and irregularly flows due to the influence of a pipeline elbow and a valve in a metering pipeline on the velocity distribution of the gas, so that the measurement accuracy is influenced.
In order to solve the technical problems, the applicant discloses application numbers: 202222383635.7 a novel built-in gas ultrasonic flowmeter rectifier, which comprises a guide cylinder and a rectifying plate; a circular groove is formed in the guide cylinder, and the rectifying plate is arranged in the circular groove through interference fit, so that the end faces of the rectifying plate are flush; according to the built-in gas ultrasonic flowmeter rectifier, after fluid in an ultrasonic flowmeter pipeline is rectified by the rectifier, pulsating flow energy existing in the fluid is completely dispersed, so that the fluid is transited from a turbulent flow state to a laminar flow state, and the influence of the pulsating flow is eliminated; thereby effectively improving the detection effect of the ultrasonic flowmeter on the fluid. The design ensures that the production and assembly are more convenient, reduces the production loss reporting rate, improves the flexibility of the process procedures and improves the production efficiency; however, the influence of pulsating flow still exists, so that fluid is disturbed in the pipeline, and the detection effect is influenced.
In view of the above-described problems, improvements are needed.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the built-in double-layer gas ultrasonic flowmeter rectifier which is simple and reasonable in structure, ingenious in design, convenient and practical.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a rectifier of a built-in double-layer gas ultrasonic flowmeter comprises a guide cylinder, a first rectifying plate and a second rectifying plate, wherein the first rectifying plate and the second rectifying plate are assembled at the inner sides of two ends of the guide cylinder; a first circular groove and a second circular groove are formed in the guide cylinder; the first rectifying plate is arranged in the first circular groove through interference fit; the second rectifying plate is installed in the second circular groove through interference fit.
In a preferred mode of the utility model, a transition section is formed in the guide cylinder, and the transition section is positioned between the first rectifying plate and the second rectifying plate.
As a preferable mode of the utility model, the first rectifying plate is provided with a plurality of regular hexagon first rectifying holes, adjacent first rectifying holes are mutually attached, and the first rectifying holes are communicated with the transition section.
As a preferable mode of the utility model, a plurality of regular hexagon second rectifying holes are arranged on the second rectifying plate, adjacent second rectifying holes are mutually attached, and the second rectifying holes are communicated with the transition section.
As a preferable mode of the present utility model, the aperture of the first rectifying hole and the second rectifying hole is 3.2 mm to 4.8 mm.
In a preferred embodiment of the present utility model, the thickness of the first rectifying plate and the second rectifying plate is 15 mm to 35 mm.
In a preferred embodiment of the present utility model, the end surfaces of the first rectifying plate and the second rectifying plate are at the same level as the end surface of the guide cylinder.
As a preferable mode of the utility model, the flange on the guide cylinder coincides with the plane of the flange of the air inlet of the flowmeter, and the guide cylinder positioning hole of the guide cylinder is fixed by a screw.
As a preferable mode of the present utility model, the guide cylinder is made of stainless steel material.
As a preferable mode of the present utility model, the first rectifying plate and the second rectifying plate are made of stainless steel materials.
The beneficial effects of the utility model are as follows:
according to the built-in double-layer gas ultrasonic flowmeter rectifier, after fluid in an ultrasonic flowmeter pipeline is rectified by the rectifier, pulsating flow energy existing in the fluid passing through the bent pipe is completely dispersed, so that the fluid is transited from a turbulent flow state to a laminar flow state, and the influence of pulsating flow is eliminated; thereby effectively improving the detection effect of the ultrasonic flowmeter on the fluid; the design makes production assembly more convenient, reduces production loss reporting rate, improves process flexibility and improves production efficiency.
Drawings
FIG. 1 is a perspective view of a structure of an embodiment of the present utility model;
FIG. 2 is a plan view of an embodiment of the present utility model;
FIG. 3 is a cross-sectional view of an embodiment of the present utility model;
fig. 4 is a perspective view of a guide cylinder according to an embodiment of the present utility model.
Reference numerals in the drawings: the flow guide device comprises a flow guide cylinder 1, a flow guide cylinder positioning hole 1-A, a first circular groove 1-B, a second circular groove 1-C, a flange 1-D, a transition section 1-E, a first rectifying plate 2, a first rectifying hole 2-A, a second rectifying plate 3 and a second rectifying hole 3-A.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Examples:
as shown in fig. 1-4, a rectifier of a built-in double-layer gas ultrasonic flowmeter comprises a guide cylinder 1, a first rectifying plate 2 and a second rectifying plate 3 which are assembled on the inner sides of two ends of the guide cylinder 1; a first circular groove 1-B and a second circular groove 1-C are arranged in the guide cylinder 1; the first rectifying plate 2 is arranged in the first circular groove 1-B through interference fit; the second rectifying plate 3 is arranged in the second circular groove 1-C through interference fit; the end surfaces of the first rectifying plate 2 and the second rectifying plate 3 are in the same horizontal plane with the end surface of the guide cylinder 1; forming a complete rectifying structure of the ultrasonic flowmeter; according to the rectifying structure of the ultrasonic flowmeter, the first rectifying plate 2 and the second rectifying plate 3 are arranged, the first rectifying plate 2 and the second rectifying plate 3 are respectively arranged on the inner sides of two ends of the guide cylinder 1, and after being rectified by the rectifier, pulsating flow energy in fluid is completely dispersed, so that the fluid is transited from a turbulent flow state to a laminar flow state, and the influence of pulsating flow is eliminated; so that the measurement accuracy is improved; thereby effectively improving the detection effect of the ultrasonic flowmeter on the fluid; the design makes production assembly more convenient, reduces production loss reporting rate, improves process flexibility and improves production efficiency.
A transition section 1-E is formed in the guide cylinder 1, the transition section 1-E is positioned between the first rectifying plate 2 and the second rectifying plate 3, a plurality of regular hexagonal first rectifying holes 2-A are formed in the first rectifying plate 2, and adjacent first rectifying holes 2-A are mutually attached.
The first rectifying holes 2-A are communicated with the transition section 1-E, a plurality of regular hexagon first rectifying holes 2-A form a honeycomb structure, a plurality of regular hexagon second rectifying holes 3-A are arranged on the second rectifying plate 3, adjacent second rectifying holes 3-A are mutually attached, the second rectifying holes 3-A are communicated with the transition section 1-E, and a plurality of regular hexagon second rectifying holes 3-A form a honeycomb structure.
The aperture of the first rectifying hole 2-A and the aperture of the second rectifying hole 3-A are 3.2 mm-4.8 mm, in the embodiment, the aperture of the first rectifying hole 2-A and the aperture of the second rectifying hole 3-A are 3.5 mm, and the thickness of the first rectifying plate 2 and the second rectifying plate 3 is 15 mm-35 mm; in the present embodiment, the thickness of the first rectifying plate 2 and the second rectifying plate 3 is 20 mm.
The pipeline air flow is subjected to first-step rectification through a plurality of first rectifying holes 2-A on the first rectifying plate 2, so that the air flow which is not very uniform is released after preliminary rectification, the air flow is subjected to buffer transition through the transition section 1-E, and finally the air flow which is relatively distributed and more uniform through a plurality of second rectifying holes 3-A on the second rectifying plate 3 is obtained, so that subsequent metering is facilitated, ultrasonic effective propagation is facilitated, and the metering accuracy is improved.
After the built-in double-layer gas ultrasonic flowmeter rectifier is assembled in a flowmeter channel, a flange 1-D on the guide cylinder 1 coincides with the plane of a flange of an air inlet of the flowmeter, and the rectifier is fixed through screws at a guide cylinder positioning hole 1-A of the guide cylinder 1.
Wherein, the guide cylinder 1 is made of stainless steel material; has anti-corrosion effect.
The first rectifying plate 2 and the second rectifying plate 3 are made of stainless steel materials; has anti-corrosion effect.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model; various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model; thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more herein: the flow guide cylinder 1, the flow guide cylinder positioning hole 1-A, the first circular groove 1-B, the second circular groove 1-C, the flange 1-D, the transition section 1-E, the first rectifying plate 2, the first rectifying hole 2-A, the second rectifying plate 3, the second rectifying hole 3-A and other terms are not excluded from the possibility of using other terms; these terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. A built-in double-layer gas ultrasonic flowmeter rectifier is characterized in that: the device comprises a guide cylinder (1), a first rectifying plate (2) and a second rectifying plate (3) which are assembled on the inner sides of two ends of the guide cylinder (1); a first circular groove (1-B) and a second circular groove (1-C) are arranged in the guide cylinder (1); the first rectifying plate (2) is arranged in the first circular groove (1-B) through interference fit; the second rectifying plate (3) is arranged in the second circular groove (1-C) through interference fit.
2. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 1, wherein: a transition section (1-E) is formed in the guide cylinder (1), and the transition section (1-E) is positioned between the first rectifying plate (2) and the second rectifying plate (3).
3. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 2, wherein: a plurality of regular hexagonal first rectifying holes (2-A) are formed in the first rectifying plate (2), adjacent first rectifying holes (2-A) are mutually attached, and the first rectifying holes (2-A) are communicated with the transition section (1-E).
4. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 2, wherein: a plurality of regular hexagonal second rectifying holes (3-A) are formed in the second rectifying plate (3), adjacent second rectifying holes (3-A) are mutually attached, and the second rectifying holes (3-A) are communicated with the transition section (1-E).
5. A built-in double-layer gas ultrasonic flow meter rectifier according to claim 3, wherein: the aperture of the first rectifying hole (2-A) and the aperture of the second rectifying hole (3-A) are 3.2 mm-4.8 mm.
6. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 1, wherein: the thickness of the first rectifying plate (2) and the second rectifying plate (3) is 15-35 mm.
7. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 1, wherein: the end surfaces of the first rectifying plate (2) and the second rectifying plate (3) are in the same horizontal plane with the end surface of the guide cylinder (1).
8. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 1, wherein: the flange (1-D) on the guide cylinder (1) coincides with the plane of the flange of the air inlet of the flowmeter, and is fixed by screws through the guide cylinder positioning holes (1-A) of the guide cylinder (1).
9. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 8, wherein: the guide cylinder (1) is made of stainless steel materials.
10. The rectifier of the built-in double-layer gas ultrasonic flowmeter of claim 1, wherein: the first rectifying plate (2) and the second rectifying plate (3) are made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223776.7U CN220472717U (en) | 2023-08-18 | 2023-08-18 | Built-in double-layer gas ultrasonic flowmeter rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322223776.7U CN220472717U (en) | 2023-08-18 | 2023-08-18 | Built-in double-layer gas ultrasonic flowmeter rectifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220472717U true CN220472717U (en) | 2024-02-09 |
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ID=89801607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322223776.7U Active CN220472717U (en) | 2023-08-18 | 2023-08-18 | Built-in double-layer gas ultrasonic flowmeter rectifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220472717U (en) |
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2023
- 2023-08-18 CN CN202322223776.7U patent/CN220472717U/en active Active
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